Jun 18,2026
Cangzhou Dongjun Pipe: Professional High-Pressure Steel Flange & Pipe Fitting Manufacturer
We specialize in the R&D, forging, precision processing and sales of high-pressure steel flanges and various seamless pipe fittings. Equipped with more than 200 sets of advanced professional production and complete testing equipment
Jun 18,2026
Full-Set Advanced Production Equipment Guarantees Precision Forging & Machining of Pipe Fittings
Our core forging equipment includes 2500T, 1600T and 630T friction forging presses, matched with large heavy forging hammers, professional heavy-duty forging manipulators and automatic forging loading and unloading machines.
Jun 18,2026
High, Medium & Low Pressure Steel Pipe Fittings with Over 1000 Standard Specifications
Cangzhou Dongjun Pipe has formed a mature and complete product system covering three major categories: high-pressure, medium-pressure and low-pressure pipeline components, with more than 1000 different specifications and models to match various industrial pipeline engineering standards.
Jun 23,2026
Different industrial pipeline projects face drastically different service environments: some bear normal temperature and conventional pressure, some work under ultra-high temperature and high pressure
Jun 23,2026
Comprehensive Testing Equipment & Full-Process Inspection System Strictly Control Product Quality
For pressure pipeline components, hidden internal defects, unqualified material composition and insufficient mechanical strength will directly cause pipeline leakage, explosion and major safety accidents during operation.
Jun 23,2026
Wide Application Scenarios: Our Pipe Fittings Serve All Major Industrial Sectors
As a comprehensive manufacturer of high and medium pressure steel pipe fittings with complete specifications and diverse materials, Dongjun’s products are widely adopted in nearly all industrial fields that require pressure pipeline transmission
Jun 23,2026
China’s Flange Exports Surge 18% in H1 2026 Led by RCEP Southeast Asian Markets
Customs trade data shows Chinese forged steel flange export volume rises 18% year-on-year in the first half of 2026; RCEP tariff preferences boost shipments to Singapore, Indonesia and Malaysia, while large-diameter energy flanges dominate overseas order growth.
Jun 23,2026
ROV Autonomous Inspection Tech Solves Deepwater Subsea Flange Safety Challenges
New AI-powered ROV robotic inspection system achieves autonomous detection and bolt tightness testing of subsea flanges, cutting diver intervention frequency and improving deep-sea pipeline connection safety monitoring accuracy above 90%.
Jun 23,2026
Our Pipe Fittings Export to Southeast Asia, South America & Middle East Markets
Relying on superior geographical transportation conditions close to Huanghua Port and complete international product certification system, Dongjun Pipe has developed stable overseas export business covering multiple continents over the past two decades.
Jun 23,2026
ANSI/MSS SP-44-2026 Updated Standard Revises Large-Diameter Steel Flange
The newly released ANSI/MSS SP-44-2026 standard revises dimensional tolerance, pressure-temperature rating and material marking rules for NPS 12–60 large pipeline flanges, aligning with modern offshore and hydrogen piping engineering demands.
